Traceback (most recent call last):
File "/usr/local/lib/python3.4/dist-packages/gagar/window.py", line 121, in draw
self.draw_subscriber.on_draw_cells(c, self)
File "/usr/local/lib/python3.4/dist-packages/gagar/subscriber.py", line 29, in wrapper
handler(*args, **kwargs)
File "/usr/local/lib/python3.4/dist-packages/gagar/subscriber.py", line 29, in wrapper
handler(*args, **kwargs)
File "/usr/local/lib/python3.4/dist-packages/gagar/draw_cells.py", line 47, in on_draw_cells
split_for = now - self.split_times[cell.cid]
KeyError: -1